package cn.tedu.boot437.mapper;

import cn.tedu.boot437.entity.Product;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ProductMapper {
    @Insert("insert into product values(null,#{title},#{price},#{saleCount})")
    void insert(Product product);
     @Select("select *from product")
     @Result(property = "saleCount",column = "sale_count")
    List<Product> select();
    @Delete("delete from product where id = #{id}")
    void deleteById(int id);
    @Select("select *from product where id= #{id}")
    @Result(column = "sale_count",property = "saleCount")
    Product selectById(int id);
    @Update("update product set title=#{title},price=#{price},sale_count=#{saleCount} where id = #{id}")
    void update(Product product);
}
